Re: [Users] How to force VM's to run on different hosts?

On 07/31/2012 04:07 PM, Maxim Burgerhout wrote: > Hi, > > Can someone tell me whether setting positive and negative VM affinity > rules will be at all possible with oVirt at some point in time, i.e. is > this on the roadmap? > > it is. I need to be able to tell VM's to run on different hosts, spread them > around, so to speak. For example, domain controllers would be better off > running on as many different hypervisors as possible, the way I see it. > That way, the failure of a single hypervisor has minimal impact on the > infrastructure. I know there is a feature to pin VM's to a single > hypervisor, but that's not quite the same. I would like to group the > domain controllers and then tell them not to run on the same host as > other members of that group as much as possible. > > The other way around would be nice as well: have several VM's run on the > same hardware. For example, a three tiered web application would > probably perform better if the VM's are all on the same hypervisor. I > know I could pin them all to the same hypervisor, but still: that's not > quite the same. I want to be able to group the web app VM's and tell > them to try to run on the same hypervisors as the other members of the > group, so they can move to another hypervisor as a group if the need > arises. > > Apologies if this has been asked before or documented in some place I > haven't looked yet. > > two ways for you to do this today: 1. prefer/pin these VMs to different host 2. use two clusters and put them in different ones Regards, > > Maxim Burgerhout<mailto:maxim@wzzrd.**com <maxim(a)wzzrd.com&gt;&gt; > > > > > > ______________________________**_________________ > Users mailing list > Users(a)ovirt.org > http://lists.ovirt.org/**mailman/listinfo/users<http://lists.ovirt.org... > >